How to Clean Mould Off Walls: Safe & Effective Techniques
Mould growth on walls is an eyesore and a health risk that needs immediate action. Mould removal: The basic stepsLearn how to get rid of wall mould to protect your home and family—and, in the worst case, your house. Be it a small patch or a large growth, this guide highlights effective ways to safely kill the mould and prevent it from returning.
Why Mould Appears on Indoor Walls
Mould thrives in damp, poorly ventilated areas like bathrooms, kitchens, and basements. Walls trap moisture, creating ideal conditions for spores to multiply. Common causes include leaks, condensation, and high humidity.
Signs You Need to Clean Mould Off Walls
- Black, green, or white fuzzy patches
- Musty odors
- Peeling paint or wallpaper
Effective Ways to Clean Mould Off Walls
| Method | Ingredients | Steps | Effectiveness |
|---|---|---|---|
| White Vinegar | Undiluted vinegar | Spray, wait 1 hour, scrub | Kills 82% of mould |
| Hydrogen Peroxide | 3% solution | Apply, wait 10 mins, rinse | Ideal for porous walls |
| Baking Soda | Water + baking soda | Scrub paste, rinse, repeat | Gentle & deodorizing |
Safety First: Protect Yourself
⚠️ Wear gloves, an N95 mask, and goggles. Open windows for ventilation.
Chemical-Free Methods to Remove Mould
| Method | Instructions |
|---|---|
| Lemon Juice | Apply juice, scrub after 1 hour |
| Sunlight | Expose small patches to direct UV light |
| Steam Cleaning | Use 150°F+ steam to kill spores |
Step-by-Step Guide: How to Clean Mould Off Walls Effectively
- Improve airflow: Open windows and use fans
- Protect furniture: Cover with plastic sheets
- Scrub gently: Use a microfiber cloth or soft brush
- Dry thoroughly: Run a dehumidifier for 24-48 hours
High-Risk Areas for Mould Growth
- Window frames & sills: Condensation hotspots
- Behind furniture: Trapped humidity
- Bathrooms/kitchens: Steam from showers/cooking
Prevent Mould Regrowth: Pro Tips
| Strategy | Action |
|---|---|
| Ventilation | Install exhaust fans in bathrooms |
| Humidity control | Keep levels below 60% |
| Routine cleaning | Wipe walls weekly in damp areas |
Need Professional Help?
For severe cases (1m²+), contact PH Cleaners – Ireland’s trusted mould removal experts.
Pro Tip: Follow PH Cleaners on Facebook for more home maintenance advice!
